.right_float {
    width: 84px;
    height: 60vh;
    position: fixed;
    top: 20vh;
    right: 0;
    border-radius: 5px;
    box-shadow: 10px 10px 10px #F4F4F4;
    background: white;
    overflow-y: scroll;
}

.right_float::-webkit-scrollbar{
    display: none;
}

.right_float .right_float_item {
    /*flex 布局*/
    display: flex;
    /*实现垂直居中*/
    align-items: center;
    /*实现水平居中*/
    justify-content: center;
    width: 100%;
    height: 50px;
    background: #0a8ad5;
    color: white;
    font-size: 12px;
    font-weight: bolder;
    cursor: pointer;
    margin-bottom: 2px;

}

.right_float .right_float_item:hover {
    color: #0a8ad5;
    background: #F5F5F5;
}

.right_float .item_top {
    border-top-left-radius: 5px !important;
    border-top-right-radius: 5px !important;
}